Atoms And Nuclei Question 25

Question: A beam of fast moving alpha particles were directed towards a thin film of gold. The parts $ {A}’,\ {B}’ $ and $ {C}’ $ of the transmitted and reflected beams corresponding to the incident parts A, B and C of the beam, are shown in the adjoining diagram. The number of alpha particles in [CPMT 1986, 88; RPET 2000]

Options:

A) $ {B}’ $ will be minimum and in $ {C}’ $ maximum

B) $ {A}’ $ will be maximum and in $ {B}’ $ minimum

C) $ {A}’ $ will be minimum and in $ {B}’ $ maximum

D) $ {C}’ $ will be minimum and in $ {B}’ $ maximum

Show Answer

Answer:

Correct Answer: B

Solution:

Because atom is hollow and whole mass of atom is concentrated in a small centre called nucleus.



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